Question 1

Which of the following is NOT a feature of Classical Type II Second Degree Heart Block?

Accepted Answer

A) There are always more P waves than QRS complexes. 
B) The PRI is consistent on conducted beats. 
C) Not all the P waves produce QRS complexes. 
D) The PRI varies,with no obvious pattern. 
A) There are always more P waves than QRS complexes. 
B) The PRI is consistent on conducted beats. 
C) Not all the P waves produce QRS complexes. 
D) The PRI varies,with no obvious pattern. D

Question 2

First Degree Heart Block is caused by:

Accepted Answer

A) a block at the SA node. 
B) slow conduction through the AV node. 
C) a complete block in the ventricles. 
D) intermittent conduction through the ventricles. 
A) a block at the SA node. 
B) slow conduction through the AV node. 
C) a complete block in the ventricles. 
D) intermittent conduction through the ventricles. B

Question 3

In Complete Heart Block,the PR interval is:

Accepted Answer

A) normal duration and constant. 
B) constant but longer than normal. 
C) normal duration but changing. 
D) P waves are not related to QRS complexes. 
A) normal duration and constant. 
B) constant but longer than normal. 
C) normal duration but changing. 
D) P waves are not related to QRS complexes. D

Question 4

Second Degree Heart Block is caused by:

Accepted Answer

A) SA node failure. 
B) resistance in ventricles. 
C) intermittent AV conduction. 
D) loss of failsafe mechanism. 
A) SA node failure. 
B) resistance in ventricles. 
C) intermittent AV conduction. 
D) loss of failsafe mechanism.

Question 5

In Complete Heart Block,if a junctional focus is controlling the heart,the rate will be ________ beats per minute.

Accepted Answer

A) below 20 
B) 20-40 
C) 40-60 
D) 60-100 
A) below 20 
B) 20-40 
C) 40-60 
D) 60-100

Question 6

The difference between Wenckebach and CHB is that:

Accepted Answer

A) CHB has a regular R-R,whereas Wenckebach is irregular. 
B) CHB has a constant PRI,whereas in Wenckebach it gets progressively longer. 
C) CHB has an irregular P-P interval,whereas it's regular in Wenckebach. 
D) CHB has more P waves than QRS complexes,whereas Wenckebach always has one P wave for every QRS complex. 
A) CHB has a regular R-R,whereas Wenckebach is irregular. 
B) CHB has a constant PRI,whereas in Wenckebach it gets progressively longer. 
C) CHB has an irregular P-P interval,whereas it's regular in Wenckebach. 
D) CHB has more P waves than QRS complexes,whereas Wenckebach always has one P wave for every QRS complex.

Question 7

In First Degree Heart Block,the PR interval is ________ sec.

Accepted Answer

A) less than 0.12 
B) 0.12-0.16 
C) 0.16-0.20 
D) greater than 0.20 
A) less than 0.12 
B) 0.12-0.16 
C) 0.16-0.20 
D) greater than 0.20

Question 8

The most diagnostic feature of Wenckebach is:

Accepted Answer

A) there are always 2 P waves for every QRS complex. 
B) the PRI is consistently regular. 
C) both atrial and ventricular rates are regular. 
D) the PRIs get progressively longer until one is dropped. 
A) there are always 2 P waves for every QRS complex. 
B) the PRI is consistently regular. 
C) both atrial and ventricular rates are regular. 
D) the PRIs get progressively longer until one is dropped.

Question 9

In Third Degree Heart Block,the pacemaker can be in either the:

Accepted Answer

A) atria or AV junction. 
B) AV junction or ventricles. 
C) SA node or ventricles. 
D) SA node or atria. 
A) atria or AV junction. 
B) AV junction or ventricles. 
C) SA node or ventricles. 
D) SA node or atria.

Question 10

Third Degree Heart Block is also considered:

Accepted Answer

A) Complete Heart Block. 
B) intermittent block. 
C) SA node block. 
D) bundle branch block. 
A) Complete Heart Block. 
B) intermittent block. 
C) SA node block. 
D) bundle branch block.

Question 11

In First Degree Heart Block,the pacemaker site is usually in the:

Accepted Answer

A) AV node. 
B) SA node. 
C) ventricles. 
D) Bundle of His. 
A) AV node. 
B) SA node. 
C) ventricles. 
D) Bundle of His.

Question 12

In First Degree Heart Block,the QRS complex should be:

Accepted Answer

A) less than 0.12 sec. 
B) 0.12-0.20 sec. 
C) greater than 0.20 sec. 
D) the same as the PRI. 
A) less than 0.12 sec. 
B) 0.12-0.20 sec. 
C) greater than 0.20 sec. 
D) the same as the PRI.

Question 13

In a Wenckebach,not every P wave is followed by:

Accepted Answer

A) a compensatory pause. 
B) a PR interval. 
C) a QRS complex. 
D) another P wave. 
A) a compensatory pause. 
B) a PR interval. 
C) a QRS complex. 
D) another P wave.

Question 14

All of the rhythms characterized as heart blocks are caused by conduction disturbances at the:

Accepted Answer

A) SA node. 
B) atrial pathways. 
C) AV node. 
D) Purkinje fibers. 
A) SA node. 
B) atrial pathways. 
C) AV node. 
D) Purkinje fibers.

Question 15

The type of block in which the P waves have no relationship to the QRS complexes is:

Accepted Answer

A) First Degree Heart Block. 
B) Wenckebach (Type I Second Degree Heart Block). 
C) Type II Second Degree Heart Block. 
D) Third Degree Heart Block. 
A) First Degree Heart Block. 
B) Wenckebach (Type I Second Degree Heart Block). 
C) Type II Second Degree Heart Block. 
D) Third Degree Heart Block.

Question 16

In Type II Second Degree Heart Block with variable conduction,the R-R interval:

Accepted Answer

A) methodically increases. 
B) randomly increases. 
C) consistently decreases. 
D) is irregular. 
A) methodically increases. 
B) randomly increases. 
C) consistently decreases. 
D) is irregular.

Question 17

In Third Degree Heart Block:

Accepted Answer

A) the bundle branches are blocked. 
B) the SA node and AV node are blocked. 
C) some beats are conducted,while others are not. 
D) the atria and ventricles are completely dissociated. 
A) the bundle branches are blocked. 
B) the SA node and AV node are blocked. 
C) some beats are conducted,while others are not. 
D) the atria and ventricles are completely dissociated.

Question 18

Wenckebach is a ________ Degree Heart Block.

Accepted Answer

A) First 
B) Type I Second 
C) Type II Second 
D) Third 
A) First 
B) Type I Second 
C) Type II Second 
D) Third

Question 19

The most serious of the four AV blocks is:

Accepted Answer

A) First Degree. 
B) Wenckebach (Type I Second Degree). 
C) Type II Second Degree. 
D) Third Degree. 
A) First Degree. 
B) Wenckebach (Type I Second Degree). 
C) Type II Second Degree. 
D) Third Degree.

Question 20

AV dissociation is a feature of:

Accepted Answer

A) First Degree Heart Block. 
B) Wenckebach (Type I Second Degree Heart Block). 
C) Type II Second Degree Heart Block. 
D) Third Degree Heart Block. 
A) First Degree Heart Block. 
B) Wenckebach (Type I Second Degree Heart Block). 
C) Type II Second Degree Heart Block. 
D) Third Degree Heart Block.

Which of the following is NOT a feature of Classical Type II Second Degree Heart Block?

First Degree Heart Block is caused by:

In Complete Heart Block,the PR interval is:

Second Degree Heart Block is caused by:

In Complete Heart Block,if a junctional focus is controlling the heart,the rate will be ________ beats per minute.

The difference between Wenckebach and CHB is that:

In First Degree Heart Block,the PR interval is ________ sec.

The most diagnostic feature of Wenckebach is:

In Third Degree Heart Block,the pacemaker can be in either the:

Third Degree Heart Block is also considered:

In First Degree Heart Block,the pacemaker site is usually in the:

In First Degree Heart Block,the QRS complex should be:

In a Wenckebach,not every P wave is followed by:

All of the rhythms characterized as heart blocks are caused by conduction disturbances at the:

The type of block in which the P waves have no relationship to the QRS complexes is:

In Type II Second Degree Heart Block with variable conduction,the R-R interval:

In Third Degree Heart Block:

Wenckebach is a ________ Degree Heart Block.

The most serious of the four AV blocks is:

AV dissociation is a feature of:

Electrophysiology

Waves and Measurements

Analyzing Ekg Rhythm Strips

Sinus Rhythms

Atrial Rhythms

Junctional Rhythms

Ventricular Rhythms

Filters

Exam 7: Heart Blocks

Which of the following is NOT a feature of Classical Type II Second Degree Heart Block?

First Degree Heart Block is caused by:

In Complete Heart Block,the PR interval is:

Second Degree Heart Block is caused by:

In Complete Heart Block,if a junctional focus is controlling the heart,the rate will be ________ beats per minute.

The difference between Wenckebach and CHB is that:

In First Degree Heart Block,the PR interval is ________ sec.

The most diagnostic feature of Wenckebach is:

In Third Degree Heart Block,the pacemaker can be in either the:

Third Degree Heart Block is also considered:

In First Degree Heart Block,the pacemaker site is usually in the:

In First Degree Heart Block,the QRS complex should be:

In a Wenckebach,not every P wave is followed by:

All of the rhythms characterized as heart blocks are caused by conduction disturbances at the:

The type of block in which the P waves have no relationship to the QRS complexes is:

In Type II Second Degree Heart Block with variable conduction,the R-R interval:

In Third Degree Heart Block:

Wenckebach is a ________ Degree Heart Block.

The most serious of the four AV blocks is:

AV dissociation is a feature of:

Electrophysiology

Waves and Measurements

Analyzing Ekg Rhythm Strips

Sinus Rhythms

Atrial Rhythms

Junctional Rhythms

Ventricular Rhythms

Filters